body {
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
  background-color: #fff;
}
a {
  text-decoration: none;
  color: #707070;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 37.5px !important;
  }
}
.header {
  height: 2.133333rem;
  border-bottom: 0.0267rem solid #eaeaea;
  text-align: center;
  line-height: 2.133333rem;
  font-size: 0.9333rem;
  color: #1c1c1c;
}
.section {
  width: 100%;
  height: 31.92rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.section .item {
  width: 6.5867rem;
  height: 6.5867rem;
  margin-top: 2.1333rem;
  background-color: #dcf8ff;
  border: 0.0267rem #2ea6f7 dashed;
}
.section .item .nav {
  width: 6.5333rem;
  height: 6.5333rem;
  border-radius: 6.5333rem;
  background-color: #f5f4f5;
  overflow: hidden;
  text-align: center;
}
.section .item .nav img {
  width: 100%;
  height: 4.0533rem;
}
.section .item .nav h5 {
  margin-top: 0.6667rem;
  font-size: 0.8533rem;
  color: #52c4f0;
}
